diff options
Diffstat (limited to 'libpthread/linuxthreads.old_db/td_thr_setfpregs.c')
-rw-r--r-- | libpthread/linuxthreads.old_db/td_thr_setfpregs.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libpthread/linuxthreads.old_db/td_thr_setfpregs.c b/libpthread/linuxthreads.old_db/td_thr_setfpregs.c new file mode 100644 index 000000000..793d02ed3 --- /dev/null +++ b/libpthread/linuxthreads.old_db/td_thr_setfpregs.c @@ -0,0 +1,46 @@ +/* Set a thread's floating-point register set. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include "thread_dbP.h" + + +td_err_e +td_thr_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs) +{ + struct _pthread_descr_struct pds = { .p_terminated = 0, .p_pid = 0 }; + + LOG ("td_thr_setfpregs"); + + /* We have to get the state and the PID for this thread. */ + if (th->th_unique != NULL + && ps_pdread (th->th_ta_p->ph, th->th_unique, &pds, + sizeof (struct _pthread_descr_struct)) != PS_OK) + return TD_ERR; + + /* Only set the registers if the thread hasn't yet terminated. */ + if (pds.p_terminated == 0) + { + pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph); + + if (ps_lsetfpregs (th->th_ta_p->ph, pid, fpregs) != PS_OK) + return TD_ERR; + } + + return TD_OK; +} |